| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] if [pers pn] knew | 19 |
|
| 2 | [vb past] if [pron] knew | 19 |
|
| 3 | asked if [pron] knew | 9 |
|
| 4 | wondered if [pron] knew | 9 |
|
| 5 | [vb past] if he knew | 7 |
|
| 6 | [vb past] if he knew | 7 |
|
| 7 | [vb past] if she knew | 5 |
|
| 8 | [vb past] if she knew | 5 |
|
